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Hose #1
Hose #2
45 degree
45 degree
barb-pipe
barb-pipe
adapter
adapter
Installer selects right or left side drain
and installs this hose accordingly.
Figure 22
Drain Exiting Left Side
1. Install the 45 degree pipe / hose drain coupling
from the outside of the cabinet (barbed end goes in
the cabinet) through the hole in the left side of the
cabinet and secure with two field supplied #8 self-
tapping screws (see Figure 22).
2. Locate the long drain hose #3 and cut at “B” line for
a 17.5” cabinet; cut at line “C” for a 21” cabinet;
do not cut for a “D” width cabinet.
3. Install large end of hose #3 to trap outlet and secure
with 1.25” clamp.
4. Install smaller end of hose #3 on 45º elbow and secure
with 1” clamp.
5. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of furnace
trap.
Upflow Model Installed Horizontally with
Right Side Down (See Figure 23)
Minimum 5 ½” clearance is required for the drain trap
beneath the furnace.
1. Remove the clamps from both ends of the drain hoses.
2. Remove the two screws holding the drain trap to the
blower deck.
3. Remove the trap and two hoses from the blower deck
4. Remove the two plugs from the right side of the cabi-
net and install them in the blower deck.
5. (Draining the Vent Elbow) Locate hose #2 (factory
installed) and cut 1” away from the 45 degree bend, dis-
card the 45 degree section. Insert hose #2 from outside
the cabinet through the cabinet drain hole nearest the
top. Secure it to the barbed fitting in the elbow with a
red clamp.
6. For models DM96VE0303AN, DM96VE0403AN and DM-
96VE0603AN; locate the hose #2 (factory installed) and
cut 1.5” length from the end of the hose. Insert hose #2
from outside the cabinet through the cabinet drain’s hole
nearest to the top. Secure it to the barbed fitting in the
elbow with a red clamp.
7. (Draining the Collector Box) Install the non-grommet
end of hose #11 from outside the cabinet in the bottom
drain hole. Install on collector box and secure with a
silver clamp.
8. Use two silver clamps and secure the hoses to drain
trap. The trap outlet faces the front of the furnace. Se-
cure the trap to the cabinet using two screws removed in
step 2 by inserting the two screws through the large set
of holes in the top mounting tabs of the trap into the two
predrilled holes in the side of the cabinet.
9. Refer to Field Supplied Drain section for instructions
on field supplied / installed drain on outlet of furnace
trap.
Hose #2
Hose #11
Figure 23
Upflow Model Installed Horizontally with
Left Side Down (See Figure 25)
Minimum 5 ½” clearance is required for the drain trap
beneath the furnace.
*Also see Front Cover Pressure Switch Tube Location on
page 9
1. Remove the clamps from the two drain tubes on the
trap.
2. Remove the two screws holding the drain trap to the
blower deck.
3. Remove the trap and hoses from the blower deck .
4. Remove the two plugs from the left side of the cabin-
etand install them in the blower deck.
5. (Draining the Vent Elbow) Locate hose #6. Measuring
from the non-grommet end; cut off and discard 1 ½” for
Page 22
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